data_dictionary: titanic.txt
description: Mortality among passengers of the Titanic
data_dictionary: titanic.txt
description: Mortality among passengers of the Titanic
Name:
label: Passenger name
PClass:
label: Passenger class
scale: ordinal
values: 1st, 2nd, 3rd
Age:
unit: years
scale: positive discrete
missing: NA
Sex:
scale: binary
values: female, male
Survived:
scale: binary
values:
'1': yes
'0': no
Survived Died Total
Female 308 154 462
Male 142 709 851
Total 450 863 1,313
Survived Died Total Odds
Female 308 154 462 2 to 1 against
Male 142 709 851 4.993 to 1 in favor
Total 450 863 1,313
Odds ratio = 4.993 / 0.5 = 9.986
Survived Died Total Probability
Female 308 154 462 0.3333
Male 142 709 851 0.8331
Total 450 863 1,313
Relative risk = 0.8331 / 0.3333 = 2.5
---------- ----------
0.8 (4/5) 1.25 (5/4)
0.75 (3/4) 1.33 (4/3)
0.67 (2/3) 1.50 (3/2)
0.50 (1/2) 2.00 (2/1)
---------- ----------
Cancer cases Controls Total
Balding 72 82 154
Hairy 55 57 112
Total 129 139 268
Heart disease Healthy Total
Balding 127 (9.4%) 1,224 (90.6%) 1,351
Hairy 548 (6.7%) 7,611 (93.3%) 8,159
Total 675 8,835 9,510
Children No children Total
Epilepsy 232 (40%) 354 (60%) 586
Control 79 (72%) 30 (28%) 109
Total 311 384 695
No cath Cath Total
Male patient 34 (9.4%) 326 (90.6%) 360
Female patient 55 (15.3%) 305 (84.7%) 360
Total 89 631 720
Continued bf Stopped bf Total
Treatment 19 (37.3%) 32 (62.7%) 51
Control 5 (8.8%) 52 (91.2%) 57
Total 24 84 108
data_dictionary: bf.csv
description: |
This data comes from a research study done at Children's Mercy Hospital and St. Luke's Medical Center. This was a study of breast feeding in pre-term infants. Infants were randomized into either a treatment group (NG tube) or a control group (Bottle). Infants in the NG tube group were fed in the hospital via their nasogastral tube when the mother was not available for breast feeding. Infants in the bottle group received bottles when the mothers were not available. Both groups were monitored for six months after discharge from the hospital.
feed_typ:
value: Control Treatment
age_stop:
label: Age at which infant stopped breast feeding
scale: non-negative real
unit: weeks
sepsis:
label: Diagnosis of sepsis
value: No Yes
total_ab:
label: Total number of apnea and bradycardia incidents
scale: non-negative integer
del_type:
label: Type of delivery
values:
Vaginal: 1
C-section: 2
mom_age:
label: Mother's age
unit: years
gravida:
label: Gravidity or number of pregnancies
scale: non-negative integer
para:
label: Parity or number of live births
scale: non-negative integer
mar_st:
label: Marital status of mother
values:
Single: 1
Married: 2
race:
label: Mother's race
values:
White: W
Black: B
smoker:
label: Smoking by mother during pregnancy
values:
'TRUE': 1
'FALSE': 2
mi_hosp:
label: Distance from the mother's home to the hospital
unit: miles
scale: non-negative integer
ng_tube:
label: Time on the NG tube
unit: days
scale: non-negative integer
tot_bott:
label: Bottles of formula given while in the hospital
scale: non-negative integer
bw:
label: Birthweight
unit: kg
scale: non-negative real
gest_age:
label: Estimated gestational age
unit: weeks
scale: positive integer
apgar1:
label: Apgar score at one minute
scale: 0 through 10
apgar5:
label: Apgar score at five minutes
scale: 0 through 10
bf1_wt:
label: Weight at first breast feeding
unit: kg
scale: non-negative real
bf1_age:
label: Age at first breast feeding
unit: hours
scale: positive integer
dc_wt:
label: Weight at discharge
unit: kg
scale: positive real
dc_age:
label: Age at discharge
unit: days
scale: positive integer
dc3_wt:
label: Weight three days after discharge
unit: days
scale: positive real
bf0:
label: Breastfeeding status at hospital discharge
values:
Exclusive: 1
Partial: 2
None: 4
bf1:
label: Breastfeeding status three days after discharge
values:
Exclusive: 1
Partial: 2
None: 4
bf2:
label: Breastfeeding status six weeks after discharge
values:
Exclusive: 1
Partial: 2
None: 4
bf3:
label: Breastfeeding status three months after discharge
values:
Exclusive: 1
Partial: 2
None: 4
bf4:
label: Breastfeeding status six months after discharge
values:
Exclusive: 1
Partial: 2
None: 4